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DR. RAMASWAMY KAVITHA PERUMPARAICHALLAI PH.D.
NPI 1851689376
Clinical Neuropsychologist in Phoenix, AZ

Active since July 18, 2011PECOS EnrolledAccepts Medicare Assignment
2400 N CENTRAL AVE STE 204, PHOENIX, AZ 85004(623) 295-9119(888) 819-1123 Get Directions Write a Review

NPPES record last updated: August 18, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 18, 2021, Jan 3, 2020 (2 updates tracked since 2020).

About Dr. Ramaswamy Kavitha Perumparaichallai Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RAMASWAMY KAVITHA PERUMPARAICHALLAI PH.D. (NPI 1851689376) is an individual clinical neuropsychologist in Phoenix, Arizona, licensed in Arizona (4203) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1851689376
Entity TypeIndividualFemale
Primary Taxonomy103G00000X
Provider Legal NameDR. RAMASWAMY KAVITHA PERUMPARAICHALLAICredential: PH.D.
Location Address2400 N CENTRAL AVE STE 204Phoenix, AZ 85004-1341
Mailing Address530 E Mcdowell Rd Ste 107-427Phoenix, AZ 85004-1549 · (602) 935-7152 · Fax (888) 819-1123
Phone(623) 295-9119
Fax(888) 819-1123
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJuly 18, 2011
Last NPPES UpdateAugust 18, 20212 updates tracked since enumeration
NPPES CertifiedAugust 18, 2021
✔ NPI 1851689376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in AZ · 4203
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
2400 N CENTRAL AVE STE 204, Phoenix, AZ 85004
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Other Identifiers 1

Medicaid651365AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ramaswamy Kavitha Perumparaichallai Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395910806
PECOS Enrollment IDI20221101000436
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ramaswamy Kavitha Perumparaichallai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Prkay & Associates PLLC
Same address
Clinical Neuropsychologist
2400 N CENTRAL AVE STE 204
Phoenix, AZ 85004
  • Reassigned Medicare billing, Arizona enrollment
NPI 1477291128 (602) 935-7152

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Evaluation of neuropsychological test, each additional hour 96133
This service involves further evaluation of your neuropsychological test results beyond the initial hour. It helps to understand your cognitive functioning better, focusing on areas like memory, attention, and problem-solving skills.
71 services15 patients
Administration of psychological or neuropsychological test, each additional 30 minutes 96137
This procedure involves administering psychological or neuropsychological tests to evaluate your mental functions. Each additional 30 minutes allows for a more in-depth assessment of your cognitive abilities, emotions, and behavior. It's crucial for accurate diagnosis and treatment planning.
60 services11 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
16 services16 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
13 services13 patients

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PRKAY & ASSOCIATES PLLC
Clinical Neuropsychologist
2400 N CENTRAL AVE STE 204
PHOENIX, AZ 85004
Maricopa County (602) 935-7152
FOCUS NEUROPSYCHOLOGY AZ, PLLC
Clinical Neuropsychologist
2400 N CENTRAL AVE STE 204
PHOENIX, AZ 85004
Maricopa County (623) 295-9119

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ramaswamy Kavitha Perumparaichallai's NPI number?

The NPI number for Ramaswamy Kavitha Perumparaichallai is 1851689376. It was assigned to this individual provider in the NPPES registry on July 18, 2011.

Where is Ramaswamy Kavitha Perumparaichallai located?

Ramaswamy Kavitha Perumparaichallai practices at 2400 N Central Ave Ste 204, Phoenix, AZ 85004. The listed phone number is (623) 295-9119.

What is Ramaswamy Kavitha Perumparaichallai's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Ramaswamy Kavitha Perumparaichallai enrolled in Medicare?

Yes. Ramaswamy Kavitha Perumparaichallai is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Ramaswamy Kavitha Perumparaichallai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ramaswamy Kavitha Perumparaichallai reassigns Medicare benefits to Prkay & Associates PLLC (Phoenix, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ramaswamy Kavitha Perumparaichallai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ramaswamy Kavitha Perumparaichallai accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. and UnitedHealthcare list Ramaswamy Kavitha Perumparaichallai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ramaswamy Kavitha Perumparaichallai was last updated on August 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.